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February 19, 2017

Homework Help: chemistry

Posted by jane c on Wednesday, November 19, 2014 at 11:55am.

mass of dry crucible=34.69g
mass of crucible with magnesium=34.68g
mass of crucible with magnesium oxide =34.97g
we did a lab and igot the mass for magnesium to be 0.17g and the mass for magnesium oxide to be 0.28g.
how can i find the moles of magnesium and the number of molecules of magnesium oxide

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